/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.iotdb.db.it.last;

import org.apache.iotdb.db.mpp.common.header.ColumnHeaderConstant;
import org.apache.iotdb.it.env.EnvFactory;
import org.apache.iotdb.it.framework.IoTDBTestRunner;
import org.apache.iotdb.itbase.category.ClusterIT;
import org.apache.iotdb.itbase.category.LocalStandaloneIT;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;

import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;

import static org.junit.Assert.*;

@RunWith(IoTDBTestRunner.class)
@Category({LocalStandaloneIT.class, ClusterIT.class})
public class IoTDBLastWithTTLIT {

    @BeforeClass
    public static void setUp() throws Exception {
        EnvFactory.getEnv().initBeforeClass();
        try (Connection connection = EnvFactory.getEnv().getConnection();
             Statement statement = connection.createStatement()) {
            statement.execute("insert into root.sg.d1(time, s1, s2) values(1, 1, 1)");
            statement.execute("insert into root.sg.d2(time, s1, s2) aligned values(2, 1, 1)");
        } catch (SQLException e) {
            e.printStackTrace();
            fail(e.getMessage());
        }
    }

    @AfterClass
    public static void tearDown() throws Exception {
        EnvFactory.getEnv().cleanAfterClass();
    }

    @Test
    public void withTTL() {
        String[] retArray =
                new String[]{
                        "1,root.sg.d1.s1,1.0,FLOAT",
                        "1,root.sg.d1.s2,1.0,FLOAT",
                        "2,root.sg.d2.s1,1.0,FLOAT",
                        "2,root.sg.d2.s2,1.0,FLOAT"
                };

        try (Connection connection = EnvFactory.getEnv().getConnection();
             Statement statement = connection.createStatement()) {

            try (ResultSet resultSet =
                         statement.executeQuery("select last * from root.sg.* order by timeseries asc")) {
                int cnt = 0;
                while (resultSet.next()) {
                    String ans =
                            resultSet.getString(ColumnHeaderConstant.TIME)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.TIMESERIES)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.VALUE)
                                    + ","
                                    + resultSet.getString(ColumnHeaderConstant.DATATYPE);
                    assertEquals(retArray[cnt++], ans);
                }
                assertEquals(retArray.length, cnt);
            }

            statement.execute("set ttl to root.sg 1");

            try (ResultSet resultSet =
                         statement.executeQuery("select last * from root.sg.* order by timeseries asc")) {
                assertFalse(resultSet.next());
            }

        } catch (SQLException e) {
            e.printStackTrace();
            fail(e.getMessage());
        }
    }
}
